public static void Hide()
{
if (wnd != null)
{
wnd.Close();
wnd = null;
}
}
public void CloseBusyWindow()
{
lock (_lockShowBusy)
{
_showBusyCount--;
if (_showBusyCount <= 0)
{
_showBusyCount = 0;
if (_busy != null)
{
_busy.Close();
_busy = null;
}
}
}
}